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Bohr's Model of a Hydrogen Atom

The amount of...

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The amount of calcium oxide required to react completely with 852 g of P_4O_{10} is : ( Atomic mass of P = 31) ( CaO + P_4O_{10} → Ca_3(PO)_4 )

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Q. Mass of calcium oxide required when it completely reacts with

852

P_{4} O_{10}

Q. How many grams of CaO are required to neutralise 852 g of

P_{4} O_{10}

Q. How many grams of

C a O

are required to neutralize

852

P_{4} O_{10}

?

Q. Phosphoric acid is prepared in a two-step process. Find the mass of

H_{3} P O_{4}

formed when 124 g of

P_{4}

reacts with an excess of oxygen and then treated with sufficient water.

P_{4} + O_{2} ⟶ P_{4} O_{10}

P_{4} O_{10} + H_{2} O ⟶ H_{3} P O_{4}

(Molar mass of P = 31 g/mol)

Q. The mass of oxygen present in

0.5

P_{4} O_{10}

P = 31, O = 16

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